The Australian billionaire who is building a new Titanic, Clive Palmer, has declared he wants to be prime minister and will run in the September election.

Mr Palmer, an outspoken mining tycoon who has accused the Greens party of being funded by the CIA, said Australians were sick of the major parties and it was "time for Australia to claim back itself".

He said he plans to ban lobbyists from joining his new party and would arrange for asylum seekers to fly to Australia to seek protection.

"I could go off and stay in Monaco, have a nice drink and forget about this country, but we've got more commitment to Australia, to your children, than anyone else," he said.

"I'm fed up with watching television and seeing [opposition leader] Tony Abbott, who is no different than [Prime Minister] Julia Gillard. They're both of the same lot – and that's what you'll get."

Mr Palmer has attracted global attention for his plans to build the Titanic II and sail it from Britain to New York by the end of 2016. He gained less attention for his decision to scatter his luxury golf resort in his home state of Queensland with more than 100 mechanical dinosaurs – a feat which has earned him the nickname "Cliversaurus".

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But the maverick businessman, whose mining empire is worth about £2.5 billion, has long harboured political aspirations. He was for decades a generous donor to the rural-based National Party, the smaller party in the opposition coalition which is on track to win the election on September 14.

But he had a dramatic fallout with the Queensland branch of the party last year after accusing it of exaggerating the state's debt.

Mr Palmer said he plans to restart the United Australia Party, which was dissolved in 1945, and will run candidates in each of the country's 127 electorates. One of his first moves would be to scrap Ms Gillard's unpopular carbon tax retrospectively.

"I'm not interested in being involved in dreams, I'm interested in making change in this country," he said.

"I have no personal interest. I've made enough money in my life. I'm not seeking any enrichment or wealth for myself. I'm seeking it for the Australian people."

Mr Palmer's move made headlines in Australia but analysts believe he has little time to organise his party and is unlikely to win the seat he is contesting in Queensland.

"The difficulty is finding good candidates," Professor John Warhurst, from the Australian National University, told Fairfax Media.

"Its a question of getting people without baggage ... With money and energy it's possible for him to get it done."

"The facts are always good to acquaint yourself with and I suggest Mr Palmer acquaint himself with those facts."

Asked about his political aspirations, she said: "It's all a question for Mr Palmer." Mr Abbott, who is far ahead in the polls and expected to win the election, said Mr Palmer's new party was "on the fringe".

"If you are serious about changing the prime minister, well, there's one candidate," he said.

A former Liberal MP, Paul Calvert, said: "I think Clive Palmer's party will be a bit like his Titanic he was going to build. It will just disappear."